#40B53B#40B53B

#40B53B is a light, vivid green. Relative luminance 0.345; OKLCH L 68.2% C 0.192 H 142.5°. Best body text is #000000 at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#40B53B
RGB	rgb(64, 181, 59)
HSL	hsl(118, 51%, 47%)
HSV	hsv(118, 67%, 71%)
CMYK	cmyk(64.6%, 0%, 67.4%, 29%)
CIE-LAB	lab(65.32, -55.99, 50.69)
CIE-LCH	lch(65.32, 75.53, 137.84°)
OKLab	oklab(68.25% -0.1523 0.1167)
OKLCH	oklch(68.25% 0.192 142.5)
XYZ	xyz(19.4266, 34.4516, 9.7629)
Luminance	0.3445 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B53B #B03BB5

analogous

#7DB53B #40B53B #3BB573

triadic

#40B53B #3B40B5 #B53B40

tetradic

#40B53B #3B7DB5 #B03BB5 #B5733B

square

#40B53B #3B7DB5 #B03BB5 #B5733B

split-complementary

#40B53B #733BB5 #B53B7D

monochromatic

#1F591D #30872C #40B53B #66CC62 #93DB90

Accessibility & contrast

On white

2.66

#40B53B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.89

#40B53B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B53B

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B53B	#FFFFFF	#000000	##000000
##40B53B	1.00	2.66	7.89	7.89
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.89	21.00	1.00	1.00
##000000	7.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A42A

Deuteranopia (green-blind)

#AB9B46

Tritanopia (blue-blind)

#28B09C

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b53b;
/* rgb */ color: rgb(64, 181, 59);
/* oklch */ color: oklch(68.2% 0.192 142.5);

Tailwind

colors: {
  custom: {
    50: '#83cc77',
    500: '#40b53b',
    950: '#000000',
  },
}

SCSS

$custom: #40b53b;
$custom-light: #83cc77;
$custom-dark: #000000;

JSON

{
  "hex": "#40b53b",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 59
  },
  "hsl": {
    "h": 117.541,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.68248,
    "c": 0.19187,
    "h": 142.5
  },
  "luminance": 0.34454
}

Semantic roles & 50–950 ramp

primary

#40B53B

secondary

#C386C6

accent

#4DDAD5

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B53B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →